content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.schedulers;
  
  import hu.akarnokd.reactive4javaflow.TestHelper;
  import hu.akarnokd.reactive4javaflow.functionals.AutoDisposable;
  import org.junit.Test;
  
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.Assert.assertEquals;
  
  public class ImmediateSchedulerServiceTest {
  
      @Test
      public void taskCrash() {
          TestHelper.withErrorTracking(errors -> {
              ImmediateSchedulerService.INSTANCE.schedule(() -> { throw new IllegalArgumentException(); });
  
              TestHelper.assertError(errors, 0, IllegalArgumentException.class);
          });
      }
  
      @Test
      public void now() {
          ImmediateSchedulerService.INSTANCE.now(TimeUnit.MILLISECONDS);
      }
  
      @Test
      public void disposable() {
          AutoDisposable d = ImmediateSchedulerService.INSTANCE.schedule(() -> {  });
  
          assertEquals("ImmediatelyDone", d.toString());
          d.close();
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void delayedNotSupported() {
          ImmediateSchedulerService.INSTANCE.schedule(() -> { }, 1, TimeUnit.MILLISECONDS);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void periodicNotSupported() {
          ImmediateSchedulerService.INSTANCE.schedulePeriodically(() -> { }, 1, 1, TimeUnit.MILLISECONDS);
      }
  }
  